Added psytrans_reverseComplementSupp.py script that support computation of kmer maps for the alternative(complementary) DNA strand.
This script also replaces the order smapling, with random sampling consistent with psytrans.py.
Merge branch 'master' of github.com:jueshengong/psytrans
retrieve original master branch due to commit errors.
messed up git commit.
this is the official intended commit.
made changes regarding ignoring of non-ACGT letter in kmer mapping.
Implementation of random sampling of sequences available in branch: random sample